Biography

After beating Sephiroth in Castle Oblivion Sora and Riku pursue him into Betwixt and Between where they are ambushed by a group of Unversed under Sephiroth's command. After Sora and Riku beat a wave of them Sephiroth creates Unversed of the two of them named Kyoei and Hokori and the two pairs face off in a heated battle. In the end Sora and Riku win before battling Sephiroth again.

Trivia

Kyoei is the Japanese word for Vanity like how Vanitas', Ventus' Unversed, name being the Latin word for Vanity.